This event was reviewed by an analyst and confirmed.
Type Quarry blast
Magnitude 1.6 MLv
Local datetime 2023/01/23 12:47
Universal datetime 2023/01/23 11:47
Latitude 48.10 ° ± 3 km
Longitude -1.02 ° ± 3 km
Depth 0 km (operator assigned) ± 0.0 km
See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Laval  19 49728
Fougères  31 20418
Vitré  13 18037
Château-Gontier-sur-Mayenne  39 16776
Mayenne  38 12841
Châteaugiron  34 9966
Janzé  40 8279
Liffré  39 7609
Saint-Berthevin  13 7344
Châteaubourg  29 7064
Acigné  38 6740
Bonchamp-lès-Laval  24 6037
Changé  16 6020
Noyal-sur-Vilaine  36 6008
Ernée  23 5731

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.3
Azimuthal gap 97.03 °
Number of stations used 7
Number of phases used 13

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
FR MTNF Pg 11:47:31.77 -0.24 34.21 0.21 Manual
FR MTNF Sg 11:47:35.8 0.43 34.21 0.21 Manual
FR RIAF Pg 11:47:39.95 0.06 198.51 0.63 Manual
FR RIAF Sg 11:47:48.72 0.37 198.51 0.63 Manual
FR DAUF Pg 11:47:39.40 -0.54 134.29 0.63 Manual
FR DAUF Sg 11:47:48.41 -0.01 134.29 0.63 Manual
FR SOMF Pg 11:47:41.97 -0.09 74.24 0.74 Manual
FR SOMF Sg 11:47:52.42 0.31 74.24 0.74 Manual
FR SROF Pg 11:47:45.65 -0.17 356.44 0.95 Manual
FR BEGF Pg 11:47:45.79 -0.45 240.23 0.97 Manual
FR BEGF Sg 11:47:59.72 0.4 240.23 0.97 Manual
FR GUEF Pg 11:47:48.77 -0.01 259.41 1.11 Manual
FR GUEF Sg 11:48:03.68 -0.06 259.41 1.11 Manual